Remy 20390 Alternator

Reliable Alternator for Chevrolet Camaro and Pontiac Firebird

The Remy Premium Remanufactured Alternator 20390 is designed to restore your vehicle's charging system with dependable performance. Engineered for select Chevrolet and Pontiac models, this 12-volt alternator delivers a 105-amp output to meet your vehicle's electrical demands.

• Amperage Rating: 105 amps for consistent power supply
• Fan Type: External fan for effective cooling
• Voltage: 12 volts compatible with standard automotive systems
• Rotation Direction: Clockwise rotation for proper fitment
• Voltage Regulator: Internal regulator for simplified installation
• Pulley Included: Yes, ready for direct replacement
• OE Manufacturer: Delco/Delphi remanufactured component
• Part Status: Superseded to part number 20383

About the Premium Remanufactured Product Line

The Premium Remanufactured line by Remy offers remanufactured alternators that meet strict quality standards to ensure reliable operation. These parts are rebuilt using original equipment manufacturer (OEM) components, such as those from Delco/Delphi, to provide a cost-effective alternative to new units without compromising performance. The 20390 alternator is part of this line, delivering proven durability and compatibility for your Chevrolet Camaro, Pontiac Firebird, and Caprice models.

Product Details and Compatibility

This alternator is specifically designed for 12-volt electrical systems and features a 105-amp output suitable for vehicles requiring moderate electrical loads. The external fan design helps maintain optimal operating temperatures, while the internal voltage regulator simplifies installation by eliminating the need for an external regulator. The clockwise rotation and included pulley ensure proper fitment and function in compatible vehicles. Note that this part number 20390 has been superseded to 20383, so verify fitment before purchase.

Common Applications and Issues Addressed

• Restores charging system functionality in Chevrolet Camaro models
• Replaces failing alternators in Pontiac Firebird vehicles
• Resolves battery drain and electrical system malfunctions
• Addresses dimming headlights and accessory power loss
• Corrects voltage irregularities caused by faulty alternators

Installation Notes and Tips

Ensure the alternator rotation direction matches your vehicle’s requirements; this unit rotates clockwise. Verify the pulley type and size before installation to confirm compatibility. Since the voltage regulator is internal, no additional regulator installation is necessary. Always disconnect the battery before beginning replacement to prevent electrical shorts.

Quality Assurance and Warranty

Remy’s Premium Remanufactured alternators undergo rigorous testing to meet OEM specifications. Built with quality components from Delco/Delphi, these alternators provide reliable performance for your Chevrolet Camaro, Pontiac Firebird, and Caprice. Confirm warranty details with the supplier as coverage may vary.